<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Bg</title>
</head>
<body>

<h2>Background!</h2>

<script type="text/javascript" src="../static/js/jquery-3.3.1.min.js"></script>
<script type="text/javascript" src="../static/js/bg.js"></script>

</body>
</html>